Firing order is: 1,6,5,4,3,2. Got this from my 19997 LeSabre Owners's Manual.
The firing order for a 1985 Buick LeSabre 5.0L is 1-8-4-3-6-5-7-2. This same firing order is used throughout the 1982-1985 Buick LeSabre's with a 5.0L engine.
Right front firing order 165432
165432 good luck
The firing order is stamped into the block, usually on the front side.
The firing oder is 165432 clockwise, and the nunber one plugis on your Driver side
the firing order is 165432
Type your answer here...There is only one correct answer: 165432. Its odd fire